Answer:
<u><em>To protect your hands from sharp items and broken glassware and reduce while washing glassware.</em></u>
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The basic substances are called elements
Answer:
Scenario A: Toward object 1
Scenario B: Toward object 2
Scenario C: Toward object 1
Scenario D: Toward object 1
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2Na (s) + Cl2 (g) = 2NaCl (s)
Answer:
The frequency of the photon is 7.41*10¹⁶ Hz
Explanation:
Planck states that light is made up of photons, whose energy is directly proportional to the frequency of radiation, according to a constant of proportionality, h, which is called Planck's constant. This is expressed by:
E = h*v
where E is the energy, h the Planck constant (whose value is 6.63*10⁻³⁴ J.s) and v the frequency (Hz or s⁻¹).
So the frequency will be:

Being E= 4.91*10⁻¹⁷ J and replacing:

You can get:
v= 7.41*10¹⁶
= 7.41*10¹⁶ Hz
<u><em>The frequency of the photon is 7.41*10¹⁶ Hz</em></u>
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